Code result
P049D
EGR A Control Position Exceeded Learning Limit
Moderate severity
What it means
EGR A Control Position Exceeded Learning Limit: the control module has detected this fault condition. Without valid EGR feedback the ECU disables exhaust gas recirculation and may set further EGR codes.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Heavy carbon deposits on EGR A seat
highOne of the most commonly reported causes for this code — check this first.
Actuator gearing worn
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P049D freeNo credit card required